Very interesting and nice. It is more than an hour long, so it may be worth looking at the youtube comments [0]. There are some interesting moments in the vide

Very interesting and nice. It is more than an hour long, so it may be worth looking at the youtube comments [0]. There are some interesting moments in the video indexed by the commenters (e.g. solar eclipses, transit of Venus, etc.) [0] https://www.youtube.com/watch?v=l3QQQu7QLoM https://www.youtube.com/watch?v=l3QQQu7QLoM